Blink handle selection handle visibility

cc/trees/layer_tree_host_impl.h

Index: cc/trees/layer_tree_host_impl.h
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h
index 0ecbc9635b946683ae3444c86525306c325dfd98..ee7f12cac91e1c2a36c70ebe0f08085bc0ac1b48 100644
--- a/cc/trees/layer_tree_host_impl.h
+++ b/cc/trees/layer_tree_host_impl.h
@@ -231,6 +231,7 @@ class CC_EXPORT LayerTreeHostImpl
     LayerImplList will_draw_layers;
     bool has_no_damage;
     bool may_contain_video;
+    bool handle_visibility_changed;
 
     // RenderPassSink implementation.
     void AppendRenderPass(std::unique_ptr<RenderPass> render_pass) override;
@@ -379,6 +380,7 @@ class CC_EXPORT LayerTreeHostImpl
 
   // Called from LayerTreeImpl.
   void OnCanDrawStateChangedForTree();
+  void HandleVisibilityChanged() { handle_visibility_changed_ = true; }
 
   // Implementation.
   int id() const { return id_; }
@@ -829,6 +831,7 @@ class CC_EXPORT LayerTreeHostImpl
 
   bool requires_high_res_to_draw_;
   bool is_likely_to_require_a_draw_;
+  bool handle_visibility_changed_;
 
   // TODO(danakj): Delete the compositor frame sink and all resources when
   // it's lost instead of having this bool.